102203955953 has 24 divisors (see below), whose sum is σ = 119187684000. Its totient is φ = 87271113600.

The previous prime is 102203955881. The next prime is 102203955967. The reversal of 102203955953 is 359559302201.

It is not a de Polignac number, because 102203955953 - 2²⁸ = 101935520497 is a prime.

It is a super-2 number, since 2×102203955953² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102203955983) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976658 + ... + 1076228.

It is an arithmetic number, because the mean of its divisors is an integer number (4966153500).

Almost surely, 2^102203955953 is an apocalyptic number.

It is an amenable number.

102203955953 is a deficient number, since it is larger than the sum of its proper divisors (16983728047).

102203955953 is a wasteful number, since it uses less digits than its factorization.

102203955953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100109 (or 100098 counting only the distinct ones).

The product of its (nonzero) digits is 364500, while the sum is 44.

The spelling of 102203955953 in words is "one hundred two billion, two hundred three million, nine hundred fifty-five thousand, nine hundred fifty-three".