23403520155453 has 64 divisors (see below), whose sum is σ = 32606468849664. Its totient is φ = 14917639968000.

The previous prime is 23403520155377. The next prime is 23403520155469. The reversal of 23403520155453 is 35455102530432.

It is not a de Polignac number, because 23403520155453 - 2¹⁰ = 23403520154429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23403520157453) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3762015883 + ... + 3762022103.

It is an arithmetic number, because the mean of its divisors is an integer number (509476075776).

Almost surely, 2^{23403520155453} is an apocalyptic number.

It is an amenable number.

23403520155453 is a deficient number, since it is larger than the sum of its proper divisors (9202948694211).

23403520155453 is a wasteful number, since it uses less digits than its factorization.

23403520155453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7826.

The product of its (nonzero) digits is 1080000, while the sum is 42.

Adding to 23403520155453 its reverse (35455102530432), we get a palindrome (58858622685885).

The spelling of 23403520155453 in words is "twenty-three trillion, four hundred three billion, five hundred twenty million, one hundred fifty-five thousand, four hundred fifty-three".