23154553502 has 4 divisors (see below), whose sum is σ = 34731830256. Its totient is φ = 11577276750.

The previous prime is 23154553501. The next prime is 23154553529. The reversal of 23154553502 is 20535545132.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×23154553502² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23154553501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5788638374 + ... + 5788638377.

It is an arithmetic number, because the mean of its divisors is an integer number (8682957564).

Almost surely, 2^23154553502 is an apocalyptic number.

23154553502 is a deficient number, since it is larger than the sum of its proper divisors (11577276754).

23154553502 is a wasteful number, since it uses less digits than its factorization.

23154553502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11577276753.

The product of its (nonzero) digits is 90000, while the sum is 35.

The spelling of 23154553502 in words is "twenty-three billion, one hundred fifty-four million, five hundred fifty-three thousand, five hundred two".