23211402313453 has 4 divisors (see below), whose sum is σ = 23212292244928. Its totient is φ = 23210512381980.

The previous prime is 23211402313439. The next prime is 23211402313471. The reversal of 23211402313453 is 35431320411232.

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 23211402313453 - 2¹³ = 23211402305261 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 (23211402311453) 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, 444926613 + ... + 444978778.

It is an arithmetic number, because the mean of its divisors is an integer number (5803073061232).

Almost surely, 2^{23211402313453} is an apocalyptic number.

It is an amenable number.

23211402313453 is a deficient number, since it is larger than the sum of its proper divisors (889931475).

23211402313453 is an equidigital number, since it uses as much as digits as its factorization.

23211402313453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 889931474.

The product of its (nonzero) digits is 51840, while the sum is 34.

Adding to 23211402313453 its reverse (35431320411232), we get a palindrome (58642722724685).

The spelling of 23211402313453 in words is "twenty-three trillion, two hundred eleven billion, four hundred two million, three hundred thirteen thousand, four hundred fifty-three".