23478481157 has 8 divisors (see below), whose sum is σ = 23887406400. Its totient is φ = 23073036480.

The previous prime is 23478481153. The next prime is 23478481177. The reversal of 23478481157 is 75118487432.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 23478481157 - 2² = 23478481153 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23478481153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 856532 + ... + 883517.

It is an arithmetic number, because the mean of its divisors is an integer number (2985925800).

Almost surely, 2^23478481157 is an apocalyptic number.

It is an amenable number.

23478481157 is a deficient number, since it is larger than the sum of its proper divisors (408925243).

23478481157 is a wasteful number, since it uses less digits than its factorization.

23478481157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740283.

The product of its digits is 1505280, while the sum is 50.

The spelling of 23478481157 in words is "twenty-three billion, four hundred seventy-eight million, four hundred eighty-one thousand, one hundred fifty-seven".