23154450 has 48 divisors (see below), whose sum is σ = 62647776. Its totient is φ = 5612800.

The previous prime is 23154437. The next prime is 23154457. The reversal of 23154450 is 5445132.

It is a super-2 number, since 2×23154450² = 1072257109605000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 23154450.

It is not an unprimeable number, because it can be changed into a prime (23154457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5367 + ... + 8666.

It is an arithmetic number, because the mean of its divisors is an integer number (1305162).

Almost surely, 2^23154450 is an apocalyptic number.

23154450 is an abundant number, since it is smaller than the sum of its proper divisors (39493326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23154450 is a wasteful number, since it uses less digits than its factorization.

23154450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059 (or 14054 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 23154450 is about 4811.9071063353. The cubic root of 23154450 is about 285.0218512024.

Adding to 23154450 its reverse (5445132), we get a palindrome (28599582).

The spelling of 23154450 in words is "twenty-three million, one hundred fifty-four thousand, four hundred fifty".