23400345401453 has 2 divisors, whose sum is σ = 23400345401454. Its totient is φ = 23400345401452.

The previous prime is 23400345401401. The next prime is 23400345401479. The reversal of 23400345401453 is 35410454300432.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19126645053604 + 4273700347849 = 4373402^2 + 2067293^2 .

It is a cyclic number.

It is not a de Polignac number, because 23400345401453 - 2¹⁰ = 23400345400429 is a prime.

It is a super-2 number, since 2×23400345401453² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (23400345401483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11700172700726 + 11700172700727.

It is an arithmetic number, because the mean of its divisors is an integer number (11700172700727).

Almost surely, 2^{23400345401453} is an apocalyptic number.

It is an amenable number.

23400345401453 is a deficient number, since it is larger than the sum of its proper divisors (1).

23400345401453 is an equidigital number, since it uses as much as digits as its factorization.

23400345401453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 23400345401453 its reverse (35410454300432), we get a palindrome (58810799701885).

The spelling of 23400345401453 in words is "twenty-three trillion, four hundred billion, three hundred forty-five million, four hundred one thousand, four hundred fifty-three".