23103021132 has 36 divisors (see below), whose sum is σ = 58551816960. Its totient is φ = 7680895392.

The previous prime is 23103021121. The next prime is 23103021133. The reversal of 23103021132 is 23112030132.

23103021132 is a `hidden beast` number, since 231 + 0 + 302 + 1 + 132 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×23103021132² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (23103021133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 824007 + ... + 851582.

It is an arithmetic number, because the mean of its divisors is an integer number (1626439360).

Almost surely, 2^23103021132 is an apocalyptic number.

It is an amenable number.

23103021132 is an abundant number, since it is smaller than the sum of its proper divisors (35448795828).

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

23103021132 is a wasteful number, since it uses less digits than its factorization.

23103021132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675982 (or 1675977 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 23103021132 its reverse (23112030132), we get a palindrome (46215051264).

The spelling of 23103021132 in words is "twenty-three billion, one hundred three million, twenty-one thousand, one hundred thirty-two".