1201423023 has 10 divisors (see below), whose sum is σ = 1794718464. Its totient is φ = 800948628.

The previous prime is 1201423019. The next prime is 1201423037. The reversal of 1201423023 is 3203241021.

1201423023 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1201423023 - 2² = 1201423019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1201422987 and 1201423005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1201423063) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7416111 + ... + 7416272.

Almost surely, 2^1201423023 is an apocalyptic number.

1201423023 is a deficient number, since it is larger than the sum of its proper divisors (593295441).

1201423023 is an equidigital number, since it uses as much as digits as its factorization.

1201423023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14832395 (or 14832386 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1201423023 is about 34661.5496335637. The cubic root of 1201423023 is about 1063.0784553589.

Adding to 1201423023 its reverse (3203241021), we get a palindrome (4404664044).

The spelling of 1201423023 in words is "one billion, two hundred one million, four hundred twenty-three thousand, twenty-three".