102023213 has 4 divisors (see below), whose sum is σ = 103752480. Its totient is φ = 100293948.

The previous prime is 102023209. The next prime is 102023221. The reversal of 102023213 is 312320201.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 102023213 - 2² = 102023209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023203) 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, 864545 + ... + 864662.

It is an arithmetic number, because the mean of its divisors is an integer number (25938120).

Almost surely, 2^102023213 is an apocalyptic number.

It is an amenable number.

102023213 is a deficient number, since it is larger than the sum of its proper divisors (1729267).

102023213 is an equidigital number, since it uses as much as digits as its factorization.

102023213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1729266.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 102023213 is about 10100.6540877312. The cubic root of 102023213 is about 467.2683141885.

Adding to 102023213 its reverse (312320201), we get a palindrome (414343414).

The spelling of 102023213 in words is "one hundred two million, twenty-three thousand, two hundred thirteen".