23377273920 has 2240 divisors, whose sum is σ = 120449742336. Its totient is φ = 4140564480.

The previous prime is 23377273883. The next prime is 23377273967. The reversal of 23377273920 is 2937277332.

23377273920 is a `hidden beast` number, since 2 + 3 + 377 + 273 + 9 + 2 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2240).

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 319 ways as a sum of consecutive naturals, for example, 441080614 + ... + 441080666.

Almost surely, 2^23377273920 is an apocalyptic number.

23377273920 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 23377273920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60224871168).

23377273920 is an abundant number, since it is smaller than the sum of its proper divisors (97072468416).

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

23377273920 is a wasteful number, since it uses less digits than its factorization.

23377273920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 666792, while the sum is 45.

The spelling of 23377273920 in words is "twenty-three billion, three hundred seventy-seven million, two hundred seventy-three thousand, nine hundred twenty".