2142622523 has 8 divisors (see below), whose sum is σ = 2367296928. Its totient is φ = 1928907904.

The previous prime is 2142622519. The next prime is 2142622549. The reversal of 2142622523 is 3252262412.

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 2142622523 - 2² = 2142622519 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142622513) 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, 2739536 + ... + 2740317.

It is an arithmetic number, because the mean of its divisors is an integer number (295912116).

Almost surely, 2^2142622523 is an apocalyptic number.

2142622523 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2142622523 is a deficient number, since it is larger than the sum of its proper divisors (224674405).

2142622523 is a wasteful number, since it uses less digits than its factorization.

2142622523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5479893.

The product of its digits is 11520, while the sum is 29.

The square root of 2142622523 is about 46288.4707351626. The cubic root of 2142622523 is about 1289.1849353169.

Adding to 2142622523 its reverse (3252262412), we get a palindrome (5394884935).

The spelling of 2142622523 in words is "two billion, one hundred forty-two million, six hundred twenty-two thousand, five hundred twenty-three".