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344500023 = 3771231053
BaseRepresentation
bin10100100010001…
…010011100110111
3220000020102012010
4110202022130313
51201143000043
654103455303
711352126150
oct2442123467
9800212163
10344500023
11167508a6a
1297457533
13564ab98a
1433a78927
152039e133
hex1488a737

344500023 has 16 divisors (see below), whose sum is σ = 532348416. Its totient is φ = 194083680.

The previous prime is 344500021. The next prime is 344500031. The reversal of 344500023 is 320005443.

It is a happy number.

It is not a de Polignac number, because 344500023 - 21 = 344500021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (344500021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114036 + ... + 117017.

It is an arithmetic number, because the mean of its divisors is an integer number (33271776).

Almost surely, 2344500023 is an apocalyptic number.

344500023 is a deficient number, since it is larger than the sum of its proper divisors (187848393).

344500023 is a wasteful number, since it uses less digits than its factorization.

344500023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231134.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 344500023 is about 18560.7118128589. The cubic root of 344500023 is about 701.0189398920.

Adding to 344500023 its reverse (320005443), we get a palindrome (664505466).

The spelling of 344500023 in words is "three hundred forty-four million, five hundred thousand, twenty-three".

Divisors: 1 3 7 21 71 213 497 1491 231053 693159 1617371 4852113 16404763 49214289 114833341 344500023