1023717423 has 4 divisors (see below), whose sum is σ = 1364956568. Its totient is φ = 682478280.

The previous prime is 1023717413. The next prime is 1023717503. The reversal of 1023717423 is 3247173201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3247173201 = 3 ⋅1082391067.

It is not a de Polignac number, because 1023717423 - 2⁵ = 1023717391 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 (1023717413) 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, 170619568 + ... + 170619573.

It is an arithmetic number, because the mean of its divisors is an integer number (341239142).

Almost surely, 2^1023717423 is an apocalyptic number.

1023717423 is a deficient number, since it is larger than the sum of its proper divisors (341239145).

1023717423 is an equidigital number, since it uses as much as digits as its factorization.

1023717423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341239144.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 1023717423 is about 31995.5844297303. The cubic root of 1023717423 is about 1007.8441166179.

The spelling of 1023717423 in words is "one billion, twenty-three million, seven hundred seventeen thousand, four hundred twenty-three".