23555903480 has 32 divisors (see below), whose sum is σ = 54433239840. Its totient is φ = 9167702400.

The previous prime is 23555903479. The next prime is 23555903507. The reversal of 23555903480 is 8430955532.

It is a super-2 number, since 2×23555903480² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7956596 + ... + 7959555.

It is an arithmetic number, because the mean of its divisors is an integer number (1701038745).

Almost surely, 2^23555903480 is an apocalyptic number.

23555903480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23555903480 is an abundant number, since it is smaller than the sum of its proper divisors (30877336360).

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

23555903480 is a wasteful number, since it uses less digits than its factorization.

23555903480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15916199 (or 15916195 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 44.

The spelling of 23555903480 in words is "twenty-three billion, five hundred fifty-five million, nine hundred three thousand, four hundred eighty".