20123152033157 has 8 divisors (see below), whose sum is σ = 21182408426400. Its totient is φ = 19063909952784.

The previous prime is 20123152033147. The next prime is 20123152033169. The reversal of 20123152033157 is 75133025132102.

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 20123152033157 - 2¹² = 20123152029061 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 (20123152033147) 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, 630023 + ... + 6375204.

It is an arithmetic number, because the mean of its divisors is an integer number (2647801053300).

Almost surely, 2^{20123152033157} is an apocalyptic number.

It is an amenable number.

20123152033157 is a deficient number, since it is larger than the sum of its proper divisors (1059256393243).

20123152033157 is a wasteful number, since it uses less digits than its factorization.

20123152033157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7156435.

The product of its (nonzero) digits is 37800, while the sum is 35.

Adding to 20123152033157 its reverse (75133025132102), we get a palindrome (95256177165259).

The spelling of 20123152033157 in words is "twenty trillion, one hundred twenty-three billion, one hundred fifty-two million, thirty-three thousand, one hundred fifty-seven".