23240429280 has 240 divisors, whose sum is σ = 82180208880. Its totient is φ = 6185299968.

The previous prime is 23240429273. The next prime is 23240429297. The reversal of 23240429280 is 8292404232.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8020792 + ... + 8023688.

It is an arithmetic number, because the mean of its divisors is an integer number (342417537).

Almost surely, 2^23240429280 is an apocalyptic number.

23240429280 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 23240429280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41090104440).

23240429280 is an abundant number, since it is smaller than the sum of its proper divisors (58939779600).

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

23240429280 is a wasteful number, since it uses less digits than its factorization.

23240429280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543 (or 3526 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 23240429280 in words is "twenty-three billion, two hundred forty million, four hundred twenty-nine thousand, two hundred eighty".