15250233243 has 8 divisors (see below), whose sum is σ = 23238450688. Its totient is φ = 8714418984.

The previous prime is 15250233239. The next prime is 15250233281. The reversal of 15250233243 is 34233205251.

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

It is not a de Polignac number, because 15250233243 - 2² = 15250233239 is a prime.

It is a super-2 number, since 2×15250233243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 15250233243.

It is not an unprimeable number, because it can be changed into a prime (15250233293) 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, 363100771 + ... + 363100812.

It is an arithmetic number, because the mean of its divisors is an integer number (2904806336).

Almost surely, 2^15250233243 is an apocalyptic number.

15250233243 is a deficient number, since it is larger than the sum of its proper divisors (7988217445).

15250233243 is an equidigital number, since it uses as much as digits as its factorization.

15250233243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726201593.

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 15250233243 its reverse (34233205251), we get a palindrome (49483438494).

It can be divided in two parts, 152502 and 33243, that added together give a triangular number (185745 = T₆₀₉).

The spelling of 15250233243 in words is "fifteen billion, two hundred fifty million, two hundred thirty-three thousand, two hundred forty-three".