23489405379 has 40 divisors (see below), whose sum is σ = 38523075888. Its totient is φ = 14145243840.

The previous prime is 23489405369. The next prime is 23489405419. The reversal of 23489405379 is 97350498432.

23489405379 is a `hidden beast` number, since 2 + 3 + 489 + 40 + 53 + 79 = 666.

It is not a de Polignac number, because 23489405379 - 2⁹ = 23489404867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (23489405309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 55929 + ... + 223845.

Almost surely, 2^23489405379 is an apocalyptic number.

23489405379 is a deficient number, since it is larger than the sum of its proper divisors (15033670509).

23489405379 is a wasteful number, since it uses less digits than its factorization.

23489405379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168097 (or 168088 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 23489405379 in words is "twenty-three billion, four hundred eighty-nine million, four hundred five thousand, three hundred seventy-nine".