23137341603840 has 1360 divisors, whose sum is σ = 87477951407616. Its totient is φ = 5839257600000.

The previous prime is 23137341603829. The next prime is 23137341603881. The reversal of 23137341603840 is 4830614373132.

23137341603840 is a `hidden beast` number, since 2 + 3 + 1 + 3 + 7 + 34 + 1 + 603 + 8 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 92180643715 + ... + 92180643965.

Almost surely, 2^{23137341603840} is an apocalyptic number.

23137341603840 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 23137341603840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43738975703808).

23137341603840 is an abundant number, since it is smaller than the sum of its proper divisors (64340609803776).

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

23137341603840 is an equidigital number, since it uses as much as digits as its factorization.

23137341603840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 435 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

Adding to 23137341603840 its reverse (4830614373132), we get a palindrome (27967955976972).

The spelling of 23137341603840 in words is "twenty-three trillion, one hundred thirty-seven billion, three hundred forty-one million, six hundred three thousand, eight hundred forty".