430020023 has 4 divisors (see below), whose sum is σ = 430306128. Its totient is φ = 429733920.

The previous prime is 430019999. The next prime is 430020037. The reversal of 430020023 is 320020034.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 320020034 = 2 ⋅160010017.

It is a cyclic number.

It is not a de Polignac number, because 430020023 - 2⁶ = 430019959 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 (430020223) 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, 140786 + ... + 143807.

It is an arithmetic number, because the mean of its divisors is an integer number (107576532).

Almost surely, 2^430020023 is an apocalyptic number.

430020023 is a deficient number, since it is larger than the sum of its proper divisors (286105).

430020023 is a wasteful number, since it uses less digits than its factorization.

430020023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286104.

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 430020023 is about 20736.9241451089. The cubic root of 430020023 is about 754.7959467854.

Adding to 430020023 its reverse (320020034), we get a palindrome (750040057).

The spelling of 430020023 in words is "four hundred thirty million, twenty thousand, twenty-three".