23219949484431 has 64 divisors (see below), whose sum is σ = 39348214886400. Its totient is φ = 13257067938048.

The previous prime is 23219949484427. The next prime is 23219949484439. The reversal of 23219949484431 is 13448494991232.

23219949484431 is a `hidden beast` number, since 2 + 3 + 2 + 19 + 94 + 94 + 8 + 443 + 1 = 666.

It is not a de Polignac number, because 23219949484431 - 2² = 23219949484427 is a prime.

It is a super-2 number, since 2×23219949484431² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23219949484439) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1184137755 + ... + 1184157363.

It is an arithmetic number, because the mean of its divisors is an integer number (614815857600).

Almost surely, 2^{23219949484431} is an apocalyptic number.

23219949484431 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

23219949484431 is a deficient number, since it is larger than the sum of its proper divisors (16128265401969).

23219949484431 is a wasteful number, since it uses less digits than its factorization.

23219949484431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24725 (or 24719 counting only the distinct ones).

The product of its digits is 53747712, while the sum is 63.

The spelling of 23219949484431 in words is "twenty-three trillion, two hundred nineteen billion, nine hundred forty-nine million, four hundred eighty-four thousand, four hundred thirty-one".