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23057123147573 = 54157942573887
BaseRepresentation
bin1010011111000011001111…
…01000100111111100110101
310000122020110120000100020012
411033201213220213330311
511010231442011210243
6121012143544550005
74566552002021564
oct517414750477465
9100566416010205
1023057123147573
11738a51aa11a89
12270475ba82305
13cb337b546078
14599d838d9bdb
1529eb7e4b1d18
hex14f867a27f35

23057123147573 has 4 divisors (see below), whose sum is σ = 23057166263040. Its totient is φ = 23057080032108.

The previous prime is 23057123147561. The next prime is 23057123147629. The reversal of 23057123147573 is 37574132175032.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-23057123147573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23057123147543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20745365 + ... + 21828522.

It is an arithmetic number, because the mean of its divisors is an integer number (5764291565760).

Almost surely, 223057123147573 is an apocalyptic number.

It is an amenable number.

23057123147573 is a deficient number, since it is larger than the sum of its proper divisors (43115467).

23057123147573 is an equidigital number, since it uses as much as digits as its factorization.

23057123147573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43115466.

The product of its (nonzero) digits is 3704400, while the sum is 50.

The spelling of 23057123147573 in words is "twenty-three trillion, fifty-seven billion, one hundred twenty-three million, one hundred forty-seven thousand, five hundred seventy-three".

Divisors: 1 541579 42573887 23057123147573