23049186420 has 96 divisors (see below), whose sum is σ = 72524051712. Its totient is φ = 5426961408.

The previous prime is 23049186409. The next prime is 23049186437. The reversal of 23049186420 is 2468194032.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 624457 + ... + 660336.

It is an arithmetic number, because the mean of its divisors is an integer number (755458872).

Almost surely, 2^23049186420 is an apocalyptic number.

23049186420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23049186420 is an abundant number, since it is smaller than the sum of its proper divisors (49474865292).

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

23049186420 is a wasteful number, since it uses less digits than its factorization.

23049186420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284841 (or 1284839 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The spelling of 23049186420 in words is "twenty-three billion, forty-nine million, one hundred eighty-six thousand, four hundred twenty".