102023271550 has 12 divisors (see below), whose sum is σ = 189763285176. Its totient is φ = 40809308600.

The previous prime is 102023271547. The next prime is 102023271551. The reversal of 102023271550 is 55172320201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102023271551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1020232666 + ... + 1020232765.

It is an arithmetic number, because the mean of its divisors is an integer number (15813607098).

Almost surely, 2^102023271550 is an apocalyptic number.

102023271550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102023271550 is a deficient number, since it is larger than the sum of its proper divisors (87740013626).

102023271550 is a wasteful number, since it uses less digits than its factorization.

102023271550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040465443 (or 2040465438 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

Adding to 102023271550 its reverse (55172320201), we get a palindrome (157195591751).

The spelling of 102023271550 in words is "one hundred two billion, twenty-three million, two hundred seventy-one thousand, five hundred fifty".