23468739840 has 864 divisors, whose sum is σ = 101852814336. Its totient is φ = 4857200640.

The previous prime is 23468739803. The next prime is 23468739881. The reversal of 23468739840 is 4893786432.

23468739840 is a `hidden beast` number, since 23 + 468 + 73 + 98 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 63947337 + ... + 63947703.

Almost surely, 2^23468739840 is an apocalyptic number.

23468739840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23468739840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50926407168).

23468739840 is an abundant number, since it is smaller than the sum of its proper divisors (78384074496).

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

23468739840 is a wasteful number, since it uses less digits than its factorization.

23468739840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 475 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 23468739840 in words is "twenty-three billion, four hundred sixty-eight million, seven hundred thirty-nine thousand, eight hundred forty".