23155055430 has 64 divisors (see below), whose sum is σ = 59862559680. Its totient is φ = 5698215936.

The previous prime is 23155055387. The next prime is 23155055431. The reversal of 23155055430 is 3455055132.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23155055391 and 23155055400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23155055431) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2660526 + ... + 2669214.

It is an arithmetic number, because the mean of its divisors is an integer number (935352495).

Almost surely, 2^23155055430 is an apocalyptic number.

23155055430 is an abundant number, since it is smaller than the sum of its proper divisors (36707504250).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23155055430 is a wasteful number, since it uses less digits than its factorization.

23155055430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15545.

The product of its (nonzero) digits is 45000, while the sum is 33.

It can be divided in two parts, 2315505 and 5430, that added together give a triangular number (2320935 = T₂₁₅₄).

The spelling of 23155055430 in words is "twenty-three billion, one hundred fifty-five million, fifty-five thousand, four hundred thirty".