10423551 has 4 divisors (see below), whose sum is σ = 13898072. Its totient is φ = 6949032.

The previous prime is 10423549. The next prime is 10423559. The reversal of 10423551 is 15532401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15532401 = 3 ⋅5177467.

It is not a de Polignac number, because 10423551 - 2¹ = 10423549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10423559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1737256 + ... + 1737261.

It is an arithmetic number, because the mean of its divisors is an integer number (3474518).

Almost surely, 2^10423551 is an apocalyptic number.

10423551 is a deficient number, since it is larger than the sum of its proper divisors (3474521).

10423551 is an equidigital number, since it uses as much as digits as its factorization.

10423551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3474520.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 10423551 is about 3228.5524620176. The cubic root of 10423551 is about 218.4432177418.

Adding to 10423551 its reverse (15532401), we get a palindrome (25955952).

The spelling of 10423551 in words is "ten million, four hundred twenty-three thousand, five hundred fifty-one".