11423990100 has 72 divisors (see below), whose sum is σ = 33068314048. Its totient is φ = 3045024000.

The previous prime is 11423990087. The next prime is 11423990101. The reversal of 11423990100 is 109932411.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11423990101) 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, 777825 + ... + 792375.

Almost surely, 2^11423990100 is an apocalyptic number.

11423990100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11423990100 is an abundant number, since it is smaller than the sum of its proper divisors (21644323948).

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

11423990100 is a wasteful number, since it uses less digits than its factorization.

11423990100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17185 (or 17178 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 30.

The spelling of 11423990100 in words is "eleven billion, four hundred twenty-three million, nine hundred ninety thousand, one hundred".