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123230132993 = 1111202739363
BaseRepresentation
bin111001011000100010…
…1101001101100000001
3102210002010020100221202
41302301011221230001
54004333403223433
6132340001230545
711621520563522
oct1626105515401
9383063210852
10123230132993
1148297219920
121ba71632455
13b80b476576
145d70336849
153313856ee8
hex1cb1169b01

123230132993 has 4 divisors (see below), whose sum is σ = 134432872368. Its totient is φ = 112027393620.

The previous prime is 123230132969. The next prime is 123230133023. The reversal of 123230132993 is 399231032321.

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 not a de Polignac number, because 123230132993 - 218 = 123229870849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (123230132903) 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, 5601369671 + ... + 5601369692.

It is an arithmetic number, because the mean of its divisors is an integer number (33608218092).

Almost surely, 2123230132993 is an apocalyptic number.

It is an amenable number.

123230132993 is a deficient number, since it is larger than the sum of its proper divisors (11202739375).

123230132993 is a wasteful number, since it uses less digits than its factorization.

123230132993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11202739374.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 123230132993 in words is "one hundred twenty-three billion, two hundred thirty million, one hundred thirty-two thousand, nine hundred ninety-three".

Divisors: 1 11 11202739363 123230132993