213001450023 has 16 divisors (see below), whose sum is σ = 293807001600. Its totient is φ = 137098829280.

The previous prime is 213001450021. The next prime is 213001450031. The reversal of 213001450023 is 320054100312.

It is not a de Polignac number, because 213001450023 - 2¹ = 213001450021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213001450021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4020138 + ... + 4072776.

It is an arithmetic number, because the mean of its divisors is an integer number (18362937600).

Almost surely, 2^213001450023 is an apocalyptic number.

213001450023 is a deficient number, since it is larger than the sum of its proper divisors (80805551577).

213001450023 is a wasteful number, since it uses less digits than its factorization.

213001450023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99182.

The product of its (nonzero) digits is 720, while the sum is 21.

Adding to 213001450023 its reverse (320054100312), we get a palindrome (533055550335).

The spelling of 213001450023 in words is "two hundred thirteen billion, one million, four hundred fifty thousand, twenty-three".