100523136540 has 48 divisors (see below), whose sum is σ = 281479191840. Its totient is φ = 26804797440.

The previous prime is 100523136529. The next prime is 100523136551. The reversal of 100523136540 is 45631325001.

It is an interprime number because it is at equal distance from previous prime (100523136529) and next prime (100523136551).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 100523136498 and 100523136507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1777500 + ... + 1833180.

It is an arithmetic number, because the mean of its divisors is an integer number (5864149830).

Almost surely, 2^100523136540 is an apocalyptic number.

100523136540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100523136540 is an abundant number, since it is smaller than the sum of its proper divisors (180956055300).

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

100523136540 is a wasteful number, since it uses less digits than its factorization.

100523136540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85782 (or 85780 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The spelling of 100523136540 in words is "one hundred billion, five hundred twenty-three million, one hundred thirty-six thousand, five hundred forty".