23421001740755 has 16 divisors (see below), whose sum is σ = 29587166637600. Its totient is φ = 17749007919360.

The previous prime is 23421001740751. The next prime is 23421001740769. The reversal of 23421001740755 is 55704710012432.

It is not a de Polignac number, because 23421001740755 - 2² = 23421001740751 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23421001740751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10400426 + ... + 12450335.

It is an arithmetic number, because the mean of its divisors is an integer number (1849197914850).

Almost surely, 2^{23421001740755} is an apocalyptic number.

23421001740755 is a deficient number, since it is larger than the sum of its proper divisors (6166164896845).

23421001740755 is a wasteful number, since it uses less digits than its factorization.

23421001740755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22861574.

The product of its (nonzero) digits is 235200, while the sum is 41.

The spelling of 23421001740755 in words is "twenty-three trillion, four hundred twenty-one billion, one million, seven hundred forty thousand, seven hundred fifty-five".