102023047 has 24 divisors (see below), whose sum is σ = 124507152. Its totient is φ = 83260800.

The previous prime is 102023021. The next prime is 102023057. The reversal of 102023047 is 740320201.

It is a de Polignac number, because none of the positive numbers 2^k-102023047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85797 + ... + 86977.

It is an arithmetic number, because the mean of its divisors is an integer number (5187798).

Almost surely, 2^102023047 is an apocalyptic number.

102023047 is a deficient number, since it is larger than the sum of its proper divisors (22484105).

102023047 is a wasteful number, since it uses less digits than its factorization.

102023047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1279 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 102023047 is about 10100.6458704382. The cubic root of 102023047 is about 467.2680607606.

Adding to 102023047 its reverse (740320201), we get a palindrome (842343248).

The spelling of 102023047 in words is "one hundred two million, twenty-three thousand, forty-seven".