53120023 has 4 divisors (see below), whose sum is σ = 57949128. Its totient is φ = 48290920.

The previous prime is 53120017. The next prime is 53120027. The reversal of 53120023 is 32002135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53120023 - 2⁹ = 53119511 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53119979 and 53120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53120027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2414536 + ... + 2414557.

It is an arithmetic number, because the mean of its divisors is an integer number (14487282).

Almost surely, 2^53120023 is an apocalyptic number.

53120023 is a deficient number, since it is larger than the sum of its proper divisors (4829105).

53120023 is a wasteful number, since it uses less digits than its factorization.

53120023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4829104.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 53120023 is about 7288.3484411765. The cubic root of 53120023 is about 375.9119092525.

Adding to 53120023 its reverse (32002135), we get a palindrome (85122158).

The spelling of 53120023 in words is "fifty-three million, one hundred twenty thousand, twenty-three".