250215145423 has 4 divisors (see below), whose sum is σ = 250257974328. Its totient is φ = 250172316520.

The previous prime is 250215145409. The next prime is 250215145489. The reversal of 250215145423 is 324541512052.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 250215145423 - 2²¹ = 250213048271 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 (250215145223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21405688 + ... + 21417373.

It is an arithmetic number, because the mean of its divisors is an integer number (62564493582).

Almost surely, 2^250215145423 is an apocalyptic number.

250215145423 is a deficient number, since it is larger than the sum of its proper divisors (42828905).

250215145423 is an equidigital number, since it uses as much as digits as its factorization.

250215145423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42828904.

The product of its (nonzero) digits is 48000, while the sum is 34.

Adding to 250215145423 its reverse (324541512052), we get a palindrome (574756657475).

The spelling of 250215145423 in words is "two hundred fifty billion, two hundred fifteen million, one hundred forty-five thousand, four hundred twenty-three".