102023340 has 48 divisors (see below), whose sum is σ = 289591008. Its totient is φ = 26832384.

The previous prime is 102023329. The next prime is 102023347. The reversal of 102023340 is 43320201.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (102023347) 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, 7267 + ... + 16026.

It is an arithmetic number, because the mean of its divisors is an integer number (6033146).

Almost surely, 2^102023340 is an apocalyptic number.

102023340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102023340 is an abundant number, since it is smaller than the sum of its proper divisors (187567668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102023340 is a wasteful number, since it uses less digits than its factorization.

102023340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23378 (or 23376 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 102023340 is about 10100.6603744508. The cubic root of 102023340 is about 467.2685080759.

Adding to 102023340 its reverse (43320201), we get a palindrome (145343541).

The spelling of 102023340 in words is "one hundred two million, twenty-three thousand, three hundred forty".