1623270201 has 16 divisors (see below), whose sum is σ = 2483826048. Its totient is φ = 923731200.

The previous prime is 1623270193. The next prime is 1623270223. The reversal of 1623270201 is 1020723261.

It is not a de Polignac number, because 1623270201 - 2³ = 1623270193 is a prime.

It is a super-2 number, since 2×1623270201² = 5270012290909160802, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1623270101) 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, 155310 + ... + 165431.

It is an arithmetic number, because the mean of its divisors is an integer number (155239128).

Almost surely, 2^1623270201 is an apocalyptic number.

It is an amenable number.

1623270201 is a deficient number, since it is larger than the sum of its proper divisors (860555847).

1623270201 is a wasteful number, since it uses less digits than its factorization.

1623270201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320992.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1623270201 is about 40289.8275126613. The cubic root of 1623270201 is about 1175.2500330439.

Adding to 1623270201 its reverse (1020723261), we get a palindrome (2643993462).

The spelling of 1623270201 in words is "one billion, six hundred twenty-three million, two hundred seventy thousand, two hundred one".