23953789240 has 16 divisors (see below), whose sum is σ = 53896025880. Its totient is φ = 9581515680.

The previous prime is 23953789229. The next prime is 23953789253. The reversal of 23953789240 is 4298735932.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 299422326 + ... + 299422405.

Almost surely, 2^23953789240 is an apocalyptic number.

23953789240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23953789240 is an abundant number, since it is smaller than the sum of its proper divisors (29942236640).

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

23953789240 is a wasteful number, since it uses less digits than its factorization.

23953789240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598844742 (or 598844738 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 23953789240 in words is "twenty-three billion, nine hundred fifty-three million, seven hundred eighty-nine thousand, two hundred forty".