345081023 has 4 divisors (see below), whose sum is σ = 394378320. Its totient is φ = 295783728.

The previous prime is 345081019. The next prime is 345081041. The reversal of 345081023 is 320180543.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320180543 = 5657 ⋅56599.

It is a cyclic number.

It is not a de Polignac number, because 345081023 - 2² = 345081019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 345080983 and 345081001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345081013) 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, 24648638 + ... + 24648651.

It is an arithmetic number, because the mean of its divisors is an integer number (98594580).

Almost surely, 2^345081023 is an apocalyptic number.

345081023 is a deficient number, since it is larger than the sum of its proper divisors (49297297).

345081023 is an equidigital number, since it uses as much as digits as its factorization.

345081023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49297296.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 345081023 is about 18576.3565588088. The cubic root of 345081023 is about 701.4128085180.

The spelling of 345081023 in words is "three hundred forty-five million, eighty-one thousand, twenty-three".