102433947 has 16 divisors (see below), whose sum is σ = 170280192. Its totient is φ = 53212320.

The previous prime is 102433939. The next prime is 102433957. The reversal of 102433947 is 749334201.

It is not a de Polignac number, because 102433947 - 2³ = 102433939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (102433907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 221488 + ... + 221949.

It is an arithmetic number, because the mean of its divisors is an integer number (10642512).

Almost surely, 2^102433947 is an apocalyptic number.

102433947 is a deficient number, since it is larger than the sum of its proper divisors (67846245).

102433947 is a wasteful number, since it uses less digits than its factorization.

102433947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443458.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 102433947 is about 10120.9657147922. The cubic root of 102433947 is about 467.8945311679.

The spelling of 102433947 in words is "one hundred two million, four hundred thirty-three thousand, nine hundred forty-seven".