1623412505 has 16 divisors (see below), whose sum is σ = 2288672064. Its totient is φ = 1089842880.

The previous prime is 1623412487. The next prime is 1623412523. The reversal of 1623412505 is 5052143261.

1623412505 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1623412487) and next prime (1623412523).

It is not a de Polignac number, because 1623412505 - 2⁸ = 1623412249 is a prime.

It is a super-2 number, since 2×1623412505² = 5270936322780750050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134539 + ... + 1135968.

It is an arithmetic number, because the mean of its divisors is an integer number (143042004).

Almost surely, 2^1623412505 is an apocalyptic number.

It is an amenable number.

1623412505 is a deficient number, since it is larger than the sum of its proper divisors (665259559).

1623412505 is a wasteful number, since it uses less digits than its factorization.

1623412505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2270536.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1623412505 is about 40291.5934780445. The cubic root of 1623412505 is about 1175.2843748094.

Adding to 1623412505 its reverse (5052143261), we get a palindrome (6675555766).

The spelling of 1623412505 in words is "one billion, six hundred twenty-three million, four hundred twelve thousand, five hundred five".