51103023 has 8 divisors (see below), whose sum is σ = 68334000. Its totient is φ = 33970368.

The previous prime is 51102983. The next prime is 51103057. The reversal of 51103023 is 32030115.

It is a happy number.

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

It is not a de Polignac number, because 51103023 - 2⁸ = 51102767 is a prime.

It is a super-2 number, since 2×51103023² = 5223037919477058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 51102993 and 51103011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51101023) 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, 23358 + ... + 25451.

It is an arithmetic number, because the mean of its divisors is an integer number (8541750).

Almost surely, 2^51103023 is an apocalyptic number.

51103023 is a deficient number, since it is larger than the sum of its proper divisors (17230977).

51103023 is a wasteful number, since it uses less digits than its factorization.

51103023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49161.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 51103023 is about 7148.6378422746. The cubic root of 51103023 is about 371.0925171825.

Adding to 51103023 its reverse (32030115), we get a palindrome (83133138).

The spelling of 51103023 in words is "fifty-one million, one hundred three thousand, twenty-three".