23400411329978 has 16 divisors (see below), whose sum is σ = 35425893657960. Its totient is φ = 11591865793536.

The previous prime is 23400411329963. The next prime is 23400411330017. The reversal of 23400411329978 is 87992311400432.

It can be written as a sum of positive squares in 4 ways, for example, as 19764933133729 + 3635478196249 = 4445777^2 + 1906693^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20873213 + ... + 21965696.

Almost surely, 2^{23400411329978} is an apocalyptic number.

23400411329978 is a deficient number, since it is larger than the sum of its proper divisors (12025482327982).

23400411329978 is a wasteful number, since it uses less digits than its factorization.

23400411329978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42841441.

The product of its (nonzero) digits is 2612736, while the sum is 53.

The spelling of 23400411329978 in words is "twenty-three trillion, four hundred billion, four hundred eleven million, three hundred twenty-nine thousand, nine hundred seventy-eight".