102623653 has 8 divisors (see below), whose sum is σ = 112321440. Its totient is φ = 92987280.

The previous prime is 102623641. The next prime is 102623657. The reversal of 102623653 is 356326201.

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

It is a cyclic number.

It is not a de Polignac number, because 102623653 - 2⁵ = 102623621 is a prime.

It is a super-2 number, since 2×102623653² = 21063228310128818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102623657) 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, 11818 + ... + 18571.

It is an arithmetic number, because the mean of its divisors is an integer number (14040180).

Almost surely, 2^102623653 is an apocalyptic number.

It is an amenable number.

102623653 is a deficient number, since it is larger than the sum of its proper divisors (9697787).

102623653 is a wasteful number, since it uses less digits than its factorization.

102623653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30707.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 102623653 is about 10130.3333113970. Note that the first 4 decimals coincide. The cubic root of 102623653 is about 468.1831973875.

Adding to 102623653 its reverse (356326201), we get a palindrome (458949854).

The spelling of 102623653 in words is "one hundred two million, six hundred twenty-three thousand, six hundred fifty-three".